/*------------全局样式-----------*/
html, body, ul, li, span, p, div,
a, form, input, button, img, h1,
h2, h3, h4, h5, h6, header, td,
th, dd, dl, tr, table, footer, main,
aside, article, section, select, option {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html {
    font-size: 100px;
}

body {
    font-size: 16px;
}

ul, li {
    list-style: none;
}

a {
    text-decoration: none;
}
